Posts
What does the engine speed sensor do? The engine speed sensor (or crankshaft sensor / crank angle senor) is used to detect how quickly your engine’s crankshaft is spinning. It then sends this data to your car’s onboard computer, which makes adjustments to...
How do dash gauges work? Almost every car has a set of dash / instrument gauges located in clear sight of the driver. This set of gauges is commonly referred to as the gauge cluster. Most dash gauge clusters show the car’s speed, the engines RPM, the amount of...
What is differential fluid? When you make a turn in your car, the wheels on the outside have to travel further than the wheels on the inside. This is because they travel a further distance. The differential (also known as a diff) is what allows two wheels to operate...
What is the exhaust air pump? The exhaust air pump (also known as the smog pump or air injection pump) is an important emissions control device. Its role is to push air into the exhaust system to help ensure that any unburnt fuel is completely burnt. This results in...
What does the valve / rocker cover gasket do? Modern engines utilise several gaskets in order to keep the motor’s interior sealed. An important gasket is the valve or rocker cover gasket, which sits between the cylinder head and its valve cover. The role of the...
What is the ignition control module? Your car’s ignition module is responsible for switching off and on 12 volts to your ignition coils from energy supplied from your cars battery and electrical charging system. It is also responsible for the switching action...
